MAYSON BEETON COLLECTION. St James Palace, London 1733. The Chapel Royal at St James on the occasion of the marriage of Princess Anne to William Prince of Orange. Coloured engraving from the Mayson Beeton Collection. Date of marriage 25th March 1734, so compiler of Mayson Beeton Collection got their dates wrong (6A_JAM_1733_M). Anne (1709-1759) was Princess Royal, eldest daughter of George II. William IV of Orange (1711-1751) was son of John William Friso, who succeeded his cousin William III as Prince of Orange. William IV became the first hereditary stadtholder of the Netherlands.